290414905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 428820480

約数和(自身を除く): 138405575

約数列:

[1, 5, 11, 19, 23, 43, 55, 95, 115, 209, 215, 253, 281, 437, 473, 817, 989, 1045, 1265, 1405, 2185, 2365, 3091, 4085, 4807, 4945, 5339, 6463, 8987, 10879, 12083, 15455, 18791, 24035, 26695, 32315, 44935, 54395, 58729, 60415, 71093, 93955, 122797, 132913, 206701, 229577, 277909, 293645, 355465, 613985, 664565, 1033505, 1147885, 1350767, 1389545, 2525347, 3056999, 5280271, 6753835, 12626735, 15284995, 26401355, 58082981, 290414905]

約数ペア:

[(1, 290414905), (5, 58082981), (11, 26401355), (19, 15284995), (23, 12626735), (43, 6753835), (55, 5280271), (95, 3056999), (115, 2525347), (209, 1389545), (215, 1350767), (253, 1147885), (281, 1033505), (437, 664565), (473, 613985), (817, 355465), (989, 293645), (1045, 277909), (1265, 229577), (1405, 206701), (2185, 132913), (2365, 122797), (3091, 93955), (4085, 71093), (4807, 60415), (4945, 58729), (5339, 54395), (6463, 44935), (8987, 32315), (10879, 26695), (12083, 24035), (15455, 18791)]